Quantitative morphological variation inTetramolopium (Asteraceae) in Hawaii and the Cook Islands

Multivariate analyses of quantitative characters were undertaken to examine the pattern of variation resulting from adaptive radiation ofTetramolopium in Hawaii and to investigate the systematics of an undescribed species in the Cook Islands and a group of populations of uncertain affinity on Kalaup...

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Bibliographic Details
Published in:Plant systematics and evolution 2000-03, Vol.221 (1-2), p.1-13
Main Authors: Okada, M., Lowrey, T. K., Whitkus, R.
Format: Article
Language:English
Subjects:
Adaptive radiation
Islands
Populations
Systematics
Taxa
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Summary:Multivariate analyses of quantitative characters were undertaken to examine the pattern of variation resulting from adaptive radiation ofTetramolopium in Hawaii and to investigate the systematics of an undescribed species in the Cook Islands and a group of populations of uncertain affinity on Kalaupapa Peninsula in Hawaii. Taxa differentiated on quantitative characters in the absence of qualitative characters. Differentiation was observed in multiple characters which could be organized into a few principal components. The analyses supported the species rank of the Cook Islands plants. The relationship of the Kalaupapa Peninsula populations to the rest of the taxa needs further study.
ISSN:0378-2697
1615-6110
2199-6881
DOI:10.1007/BF01086376